For reference : https://cabri-usa.com/wp-content/uploads/2018/03/J40-001-Issue-10.1-Cabri-G2-Flight-Manual.pdf
According to the flight manual, Mixture lever is here to Shutdown the engine on start if something is going wrong
- STARTER stay ON Amber after Starter button is released (Starter Relay stuck)
- OIL Pressure light didn’t goes OFF within 30 seconds of starting
Standard Procedure
- simply on Engine/Rotor shutdown procedure
In Normal Operation, should always be on Full RICH, as already stated
“The mixture handle sits next to the rotor brake on the cabin roof and should always be full rich.”